baber/WOPTO huggingface dataset:
Patent GB-951867-A (GB)
Title: Improvements in or relating to coating of polypropylene film
IPC: B05D1/26
Filed: 1962-08-02
Abstract: 951,867. Laminating. HERCULES POWDER CO. Aug. 2, 1962 [Aug. 8, 1961], No. 29816/62. Heading B5N. In a method of coating a film of oriented stereoregular polypropylene with a film of a thermoplastic material, a web 2 of the polypropylene, is drawn from a roll 1 and coated with molten thermoplastic material 8 by an extruder 7. Substantially immediately after the coating operation, i.e. within one second, the laminate 9 thus formed is cooled by rolls 5, 6, or other suitable cooling means, so that the orientation of the polypropylene film is not lost. A further web of a thermoplastics material or paper, or a metal foil, may be applied to the laminate 9 before it is cooled by the rolls. Suitable thermoplastic coating materials which may be used are low or high density polyethylene, polyvinylacetate, polyvinylchloride, polyvinylidene chloride, copolymers of vinylidene chloride with e.g. acrylonitrile, and even stereoregular polypropylene itself.
Patent GB-842145-A (GB)
Title: A hydro dynamic brake
IPC: F16D57/04
Filed: 1956-10-02
Abstract: 842,145. Cooling systems for fluid brakes. SOC. D'APPLICATION'S DES MACHINES MOTRICES, and ROHACS, E. Oct. 2, 1956 [Oct. 5, 1955], No. 29965/56. Class 64(3) [ALso in Group XXXIV]  In a hydrodynamic brake 6 for a vehicle comprising a rotor 20 driven from a driving shaft of the vehicle engine, the braking fluid is supplied from a heat exchanger 2 cooled by water from the engine cooling radiator 1. The brake fluid flows from the heat exchanger 2 when a control valve 3 is opened and enters the brake 6 at 17 whence it is delivered into the vane compartment 11a through centrifugal blade passages 5a in the rotor. The fluid leaves the brake through outlet 19 and returns by way of pipe 7 to heat exchanger 2. The braking vanes of the stator are formed with a recess 7a at the centre of the vane compartment 11a such that air is discharged through bleed pipes 10 which are connected to the pipe 5 leading to the top of heat exchanger 2.
Patent GB-973590-A (GB)
Title: Vibrato apparatus
Inventor: ARSEM ALVAN DONALD
IPC: G10H1/047
Filed: 1962-08-03
Abstract: 973, 590. Electrophonic organs. WURLITZER CO. Aug. 3, 1962, No. 30070/62. Heading G5J. For use in an electrophonic organ an electroacoustic transducing system comprises a pair of loudspeakers mounted for rotation about an axis spaced from both loud-speakers, the loud-speakers being arranged so as to face substantially in opposite directions with their axes substantially tangential to the paths of rotation of the loud-speakers. Rotation produces a frequency vibrato effect. In one embodiment, Figs. 4, 5, 6, 8, a tubular shaft 28 running in bearings 26 carries a frame 30 and loud-speakers 42. The loud-speaker arm balanced by a weight 50 mounted on a screw-threaded stud 46. The loud-speaker assembly as driven by an electric motor 76, a belt 82 and pulleys 74, 80. One of the loud-speaker terminals is connected through the frame 30 to the tubular shaft 28 and the other terminal is connected to a metal rod 56 within the shaft 28 and insulated therefrom by a sleeve 54 . Electrical connections to the shaft 28 and the rod 56 are made by brushes 66, 58. On rotation, pulley 74 reciprocated a core 86 in an inductive winding 84 which is used to produce an intensity variation or tremolo. Another embodiment Fig. 3 comprises a fixed bass loud-speaker 120, two fixed treble loud-speakers 128 andtwo treble loudspeakers 42 arranged to rotate about a vertical axis. The cabinet 110 also includes an amplifier 126. The two loud-speakers may be arranged at opposite ends of a rotating frame. The loud-speaker diaphragms are preferably elliptical with the major axes parallel to the axis of rotation. Circuitry. Fig. 1. The output from an organ amplifier 96 is divided by a cross-over network 108 into bass and treble channels. The bass channel is fed to a fixed bass loud-speaker 104 through the intensity controlling device 84 producing a tremolo. The treble channel is fed to rotating treble speaRers 42.
Patent GB-1517956-A (GB)
Title: Process for making a food product resembling cheese
IPC: A23C20/00
Filed: 1975-07-17
Abstract: 1517956 Cheese compositions ANDERSON CLAYTON & CO 17 July 1975 30096/75 Heading A2B A cheese of the pasta filata or cheddar type comprises a gas-free homogeneous blend of an emulsion of water with a fat having a Wiley melting point of between 90‹ and 110‹F, the fat being 12-35% of the food, 15-33% of calcium caseinate, 0-5% ungelatinised flour and 0.5-1.8% of adipic, lactic, citric or malic acid or combinations thereof, all percentages being by weight), the food composition having a pH of 4.8-5.7. In cheddar type cheese up to 2% emulsifying salts are added. The cheese is prepared by melting the fat, emulsifying it with water under subatmospheric pressure and mixing the emulsion with the dry ingredients under conditions of high shear, subatmospheric pressure and at a temperature above the melting point of the fat. The mixing is effected for less than 4 minutes in a conventional high shear mixer. A portion of the fat may be included in the dry ingredients, the flour may be tapioca and the fat may be hydrogenated soy bean oil. Reference has been directed by the comptroller to Specification 1470303
Patent GB-872056-A (GB)
Title: Improvements in or relating to the production of metals by the dissociation of their carbides
IPC: C22B5/16
Filed: 1957-09-25
Abstract: 872,056. Distilling metals; aluminium; calcium; manganese. PECHINEY COMPAGNIE DE PRODUITS CHIMIQUES ET ELECTROMETALLURGIQUES. Sept. 25, 1957 [Sept. 28, 1956], No. 30147/57. Class 82(1) [Also in Group XI] Metal such as aluminium, calcium or manganese is produced by dissociation of its carbide under a reduced pressure and at high temperature, an electric current being passed through grains of the carbide to provide the heat required. In the electric furnace shown the carbide grains enter the furnace through an axially positioned tube 7 under control of valve 6 to form a bed in the chamber which is defined by wall 17 of cylindrical form. Three electrodes 2 are equally spaced around the axis of the chamber defining a reaction space between them. As the grains sink in the bed they reach zones of progressively higher temperature, the highest temperature being reached as the residual carbide content of the grains reaches a minimum, the grains then being sufficiently refractory to resist sintering. The reaction chamber communicates, through passages defined by walls 8 and 9, with condenser 10 in which the metal condenses in solid form on a removable sheet 10a The condenser is connected to vacuum pumps through ducts 19. In a modification (Fig. 3 not shown) the condenser is modified to produce condensed metal in liquid form, the thickness of the insulating wall 13 between the chamber and condenser being reduced and the thickness of the condenser outer wall being increased.
Patent GB-1182162-A (GB)
Title: Container with Cover.
Inventor: GORDON WILLIAM JACOB JEROME
IPC: A45D40/06
Filed: 1967-06-30
Abstract: 1,182,162. Stick dispensing container. W. J. J. GORDON, L. E. FENN, C. M. GOBHAI and G. M. PRINCE. 30 June, 1967 [26 April, 1967], No. 30208/67. Heading B8P. A stick dispensing container particularly for lipsticks is provided with a cover comprising a flexible elastic tube 60 which is fitted to an outer casing 50 and an inner casing 40 so that relative rotation of the casings causes the intermediate portion 70 to be stretched and drawn tightly across the opening of the container as shown in Fig. 9 to close the container. The lipstick is mounted in an elevator which slides in a tube, a boss on the elevator sliding in a slot in the tube. the lipstick being extended or retracted by means of a cam slot co-operating with the boss.
Patent GB-159621-A (GB)
Title: Improvements relating to capsules
IPC: B67D1/00
Filed: 1919-12-03
Abstract: 159,621. Campbell, R. H., and Sparklets, Ltd. Dec. 3, 1919. Storing under pressure. - A valved capsule for containing fluids under pressure comprises an internally threaded neck into which is directly screwed a valve-carrying member having one or more indentations enabling it to be screwed home by a key or spanner. As shown, the valve-carrying member is formed with an upstanding annular valve seating a at its inner end and a recess b with a squared end at the other, and has a longitudinal opening c serving as a guide for the valve stem g, which is provided with one or more flats or flutes for the passage of the fluid. A resilient washer e co-operating with the seating a is secured to the valve by a screwed head d, and a serrated head j is provided at the top of the valve stem. The valve-carrying member is screwed directly into the neck of the capsule, a resilient washer m forming a tight joint; its upper part is formed with a conical surface k.
Patent GB-225064-A (GB)
Title: Improvements relating to lift valves
IPC: F01L3/10
Filed: 1923-12-01
Abstract: 225,064. A.C. Cars, Ltd., and Smith, S. Dec. 1, 1923. Spindles. - The spring abutment of a lift valve, particularly for internal-combustion engines, comprises a sleeve 6 having a conical surface 7 bearing against a number of gripping-blocks 8 which are formed internally with ribs adapted to enter grooves 2 cut in the valve stem, the blocks bearing against shoul ders 4 at the ends of the grooves. Only the blocks or the sleeve may have a conical surface, or both as shown.
Patent GB-414349-A (GB)
Title: Improvements in motor compressors with free pistons
IPC: F02B71/06
Filed: 1932-10-28
Abstract: 414,349. Direct - - acting engines. PESCARA, R. P., 23, Rue Lesueur, Paris. Oct. 28, 1932, No. 30326. Void [Abridged as open to inspection under Sect. 91 of the Acts, May 4, 1933]. [Class 7 (ii).] An air compressor comprises freely-moving differential pistons 5, 6 in the compression cylinder 1 and power cylinder 4, the pistons sliding on fixed guides 8 and having internal cushioning spaces 7 ; towards the ends of the return strokes, slots 10 in the pistons allow communication between the cushioning spaces and the compression spaces 11 ; the cushioning spaces may in addition be opened to atmosphere through other apertures. Fig. 4 shows a modification in which the piston is guided by an extension 15 moving in a fixed cushioning cylinder 17 opened to atmosphere and to the compression space at the end of the stroke.
Patent GB-155701-A (GB)
Title: Improvements in or relating to teapots, coffee-pots and other cooking vessels
IPC: A47J27/21
Filed: 1919-12-05
Abstract: 155,701. Krossin, H. Dec. 5, 1919. Pots and jugs.-A tea-pot, coffee-pot, &c. has a cylindrical upper part formed with a ridge 8 to support a cover 6, and also provided with two opposite projecting pins for holding the cover, which is correspondingly notched, in position. The cover supports a concave disk 12 almost filling the lower edge of the cylindrical portion. The arrangement is stated to prevent solid coffee &c. from reaching the upper part of the pot and causing boiling over by checking the free escape of steam. The cylindrical upper part has at one side perforations 14 leading to a spout 5.
Patent GB-1338885-A (GB)
Title: Process for the preparation of n-alkyl-carbazoles
IPC: C07D209/86
Filed: 1972-06-29
Abstract: 1338885 N-alkyl-carbazoles FARBWERKE HOECHST AG 29 June 1972 [2 July 1971] 30516/72 Heading C2C A process for the preparation of an N-alkyl carbazole which is unsubstituted or substituted at a carbon atom(s) by one or more of the same or different substituents selected from alkyl, alkoxy, nitro and cyano radicals and halogen atoms comprises reacting the corresponding carbazole with potassium hydroxide or potassium carbonate, removing substantially all the water formed and subsequently treating the potassium carbazole with from 0À5 to 0À7 mol. of a dialkyl sulphate per mol. of the carbazole starting material. Preferably the conversion to the potassium salt is carried out in a high boiling organic solvent e.g. chlorobenzene or dichlorobenzene at about 120 to 180‹ C., while the water formed is distilled off, and then reacting a suspension of this potassium carbazole salt in an organic solvent with the dialkylsulphate at a temperature of from about 90 to 110‹ C. Suitably the same organic solvent is used for both reactions.
Patent GB-638444-A (GB)
Title: A combination of slabs and keys for paving, or building
IPC: E01C5/00
Filed: 1947-11-18
Abstract: 638,444. Paving and building blocks. SHANKS, W., and FERGUSON, D. Nov. 18, 1947, No. 30555. [Classes 87 (i) and 107] [Also in Group XV] A paving block 1 is provided in its side faces with inclined grooves 2 which are aligned with those of adjacent blocks to receive keys 3. A wall may be built up from such blocks arranged vertically instead of horizontally, two grooves being provided in the longer faces to allow for bonding.
Patent GB-1438816-A (GB)
Title: Selective removal of nickel from an organic oxime extractant
IPC: B01D11/04
Filed: 1973-06-27
Abstract: 1438816 Stripping Ni from oxime solutions KENNECOTT COPPER CORP 27 June 1973 [28 June 1972] 30579/73 Heading C1A Ni is selectively removed from an organic oxime solution containing Ni and Cu by contacting with an aqueous acid solution and subsequent recovery, the mole ratio of H ion in the aqueous solution to Ni ion in the oxime extractant being maintained between 1À8 and 2À2 Cu may subsequently be extracted from the Ni boron oxime solution by stripping with acid. The oxime may be a substituted hydroxy benzophenoxime, an α-hydroxy-oxime or a mixture of these. The acid stripping solution may contain H 2 SO 4 , HCl, HNO 3  or a mixture and 10-60 g./litre Ni. The recovery of Ni may be by electrowinning carried out in the presence of boric acid and a salt such as NaSO 4  or NaCl and the resulting barron solution recycled to the stripping step. The oxime solution may contain 2-25% oxime in, e.g. kerosene, where a mixture of oximes is used the α-hydroxyoxime may be from 1 to 100% of the weight of the hydroxy-benzophenoxime. The initial solution may be obtained by extraction of a leach solution with oxime followed by scrubbing with NH 4 HCO 3  solution. Reference has been directed by the Comptroller to Specifications 1,051,159 and 1,091,354.
Patent GB-816486-A (GB)
Title: Material handling grapple
IPC: E21D1/04
Filed: 1956-10-09
Abstract: 816,486. Grabs for handling materials. JOY MANUFACTURING CO. (CANADA) Ltd. Oct. 9, 1956 [Oct. 14, 1955], No. 30697/56. Class 78 (4). The jaws 16 (Fig. 1) of a grab are pivoted to a spider 15 universally mounted on the lower end 14b of the piston rod of the ram 10 operating the grab. As illustrated, the spider 15 is carried by a gimbal mounting including a yoke 27 (Fig. 3) pivoted at 28 to the spider 15 and at 34 to the piston rod 14. The cable supporting the grab is secured to an upper extension 14a of the piston rod so that the cable is automatically slackened as the piston rod moves upwardly to close the grab, thus permitting the grab to dig into the material. The usual closing links 17 are connected between the lower end 12 of the ram cylinder and the jaws 16. The distributer valve 37 for the ram, which is double acting, is mounted on the ram cylinder.
Patent GB-508275-A (GB)
Title: Improvements relating to a method of producing container parts
IPC: B41F7/16
Filed: 1938-10-24
Abstract: 508,275. Making closure caps. AMERICAN CAN CO. Oct. 24, 1938, No. 30733. Convention date, Dec. 8, 1937. [Class 83 (ii)] [Also in Group XVI] Metal or fibre articles such as container caps A are produced from a continuously moving web B fed from a reel C. and subjected to a series of operations including printing, varnishing, drying and cooling, drawing and stamping. Feed rolls 5, 6 deliver the web to a lithographic printing-couple 11, 12 and after passing through a varnishing or lacquering machine F, feed rolls 29, 39 guide the web through a heating-chamber 25 and cooling-chamber 35, and continuously moving feed rolls 43, 44 from the printed web into a loop 47 from which the web is advanced by intermittently operated feed rollers 48, 49 to a combined blanking punch 53 and drawing or forming punch 58 with which is associated a forming-die or anvil 59 located in the stationary blanking-die 52. The caps A are received in a receptacle 62 and the waste strip removed by rollers 65, 66 operated intermittently in synchronism with the rollers 48, 49. A gauging-finger 56 cooperating with an aperture blank in the strip registers the web for the stamping operation, and ejection-pins 61 eject the finished cap.
Patent GB-939316-A (GB)
Title: Improvements in or relating to punching machines
IPC: B26F1/00
Filed: 1960-09-07
Abstract: 939,316. Feeding webs. J. SANDT A.G. Sept. 7, 1960 [Sept. 8, 1959], No. 30852/60. Class 100 (1). [Also in Group VIII] Webs of material are fed from reels 6, Fig. 2, mounted on a frame 5 to a machine 1 (see Group VIII) for cutting-out workpieces 7. The frame may be fitted to a stationary part of the machine and the webs have their forward ends perforated for engagement with pins 28 on a table 2 arranged to be moved along guides to the machine. Finished workpieces are severed from the reels and the forward ends of the material remaining on the reels is perforated and engaged with pins 18<SP>11</SP> on the machine while the table is returned to a position away from the machine to enable the workpieces to be removed from the table; clamping rollers 16, 16<SP>1</SP> assist in holding the ends of the reels. When the table is moved to a position beneath the reels, the perforated ends are engaged with pins 18 for the next feeding operation. A lifting device is provided to load the reels on to the frame. A carrier 22 on which a plurality of reels can be fitted may be removably mounted on the frame to enable all the reels to be changed in one lifting operation.
Patent GB-341100-A (GB)
Title: Improvements in or relating to bodies and roofs for use on motor vehicles and the like
IPC: B60J7/043
Filed: 1929-10-11
Abstract: 341,100. Road vehicle opening tops. PYTCHLEY AUTOCAR CO., Ltd. and MOBBS, H., 201, Gt. Portland Street, London. Oct. 11, 1929, No. 30941. [Class 108 (i).] In road vehicles of the kind in which the roof is curved or cambered in the longitudinal direction and is provided with an aperture closable by a slidable panel, fixed side portions are provided which extend above the fixed main portion and at their front portions have the same curvature as the fixed main portion but at their rear portion gradually merge into the plane of the fixed portion and means are also provided to ensure watertightness. The fixed side portions 12, 14 are arranged above the fixed main part 16 as shown and the latter is provided with slides 28, 30 for a closing panel 20 having felt or rubber-covered fins and marginal fins 38. Gutters 35a, 44 are provided for any water which may have found an entry. The front 46 of the sliding panel is arranged to abut against an upright 52 carried by a member 50 supporting the cross member 18. A trough 54 is provided as shown into which the troughs 35a, 44 may drain. A resilient flap 56 may be provided as shown. At the rear the panel coacts with a wedge 60 for closing purposes and a trough 66 is provided. Specifications 267,173 and 295,408, [both in Class 108 (i), Road vehicles, Body details &c. of], are referred to.
Patent GB-743198-A (GB)
Title: Improvements relating to electric circuit arrangements
Inventor: MCQUEEN JACK GORDON
IPC: G01S7/12
Filed: 1952-12-05
Abstract: 743,198. Saw-tooth wave amplifiers; D.C. restoring circuits; cathode ray oscilloscopes. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. Jan. 20, 1954 [Dec. 5, 1952], No. 30947/52. Classes 40 (6) and 40 (7). Losses in the output transformer of an amplifier are compensated by feeding back a voltage derived from a compensating circuit containing components representing the primary leakage reactance and resistance and fed with a current representative of the primary current. The D.C. amplifier shown in Fig. 2 has its input connected to a time-base generator and feeds an  output to the primary of a # magslip " T which provides sine and cosine sweep voltages for radar apparatus. Negative feedback is provided through resistor R2 and positive feedback is provided from a circuit L, R5 having values equal to those of the primary leakage inductance and resistance of the magslip. A capacitor C3 prevents oscillation at high frequencies. The sine and cosine outputs are corrected for " generator effect " (Figs. 1 and 4, not shown) as described in Specification 740,163 and output amplifiers incorporating D.C. restoration are provided (Fig. 5). These comprise four direct coupled stages V6-V9 with negative feedback provided through a resistor R14. The D.C. is restored by a circuit V10-V16 which is rendered operative during the inter-sweep period by a positive pulse applied to line CV. This permits the grid of a valve V10 to assume the potential of the output signal and removes the bias from a diode V12. A capacitor C4 is accordingly charged or discharged until the output potential assumes the desired value. When the control pulse terminates diodes V11  and V12 will be rendered non-conducting and C4 will retain its charge since it is in the feedback circuit of an amplifier V13, V14.
Patent GB-603964-A (GB)
Title: Improvements relating to rotary compressors
IPC: F04C18/04
Filed: 1945-11-19
Abstract: 603,964. Rotary compressors. STEENSEN, S. J. Nov. 19, 1945, No. 31018. Convention date, April 29, 1942. [Class 110 (ii)] In a rotary compressor of the type in which a gyratory rotor makes moving contact with the peripheral wall of the chamber, the rotor is wholly or partly of magnetic material and is driven by means of one or more externally placed rotating magnets. The cylindrical wall 1 of the chamber is of non-magnetic material, such as bronze, and the two end walls, which may be of steel, are soldered in position. A fixed abutment 3 engages with a radial slot 7 in the gyratory piston 4. The latter is of magnetic material either wholly or at the periphery only and is driven by a rotating permanent magnet 8, the poles 13, 14 of which maintain a clearance of about 0.1 mm. with respect to the wall 1. A stationary pin 11 concentric with the wall 1 engages a bore 11<1> in the piston 4 to limit the pressure of the piston against the wall. The pin 11 may be omitted. The chamber and piston may be of non-circular shape. The permanent magnet may be replaced by an electromagnet. The Specification as open to inspection under Sect. 91 comprises also the statement that the chamber and piston may be elliptical or ovate. The rotary magnet may be replaced by a number of stationary electromagnets arranged around the chamber and energized in successionso as to obtain a rotary magnetic field. In an alternative construction, the gyratory piston is replaced by a rotor of non-magnetic material mounted on a pin fixed eccentrically within the chamber and provided with radially sliding vanes of magnetic material which are acted upon by rotating magnets disposed outside the chamber. This subject-matter does not appear in the Specification as accepted.